Understanding three-dimensional, or 3-D, figures can be a troublesome area for some geometry students. Student Explorations in Mathematics helps teachers differentiate instruction through activities that begin at an accessible, concrete level. In
"Build It, and They Will Come! Experiences in 3-D," students build 3-D figures from blocks, transition to visualizing nets, and move on to 2-D representations of 3-D figures. Extensions are available for students who are ready for a challenge.
Additional resources for visualizing and exploring nets online can be found on NCTM’s Illuminations, for example the
"Geometric Solids" interactive.
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